Bevel Gear Design Calculator

Design bevel gears by calculating gear ratio, number of teeth, module, pitch diameter, and shaft angle. Step-by-step formulas included for accurate gear design.

Bearing Load Calculator

Calculate radial, axial, and combined bearing loads, life, and equivalent dynamic load. Step-by-step formulas included for ball and roller bearings.

Shaft Design Calculator

Design shafts by calculating torque, bending stress, torsional stress, combined stress, and factor of safety. Step-by-step formulas included for rotating shafts.

Thread Stress and Strength Calculator

Calculate tensile, shear, and bearing stress of threads. Determine bolt strength, safety factor, and allowable load. Step-by-step formulas included.

Key and Keyway Design Calculator

Calculate key dimensions, shear stress, compressive stress, and torque capacity. Step-by-step formulas included for square, rectangular, and Woodruff keys.

Coupling Design Calculator

Calculate coupling dimensions, transmitted torque, misalignment capacity, and stress. Step-by-step formulas included for rigid and flexible couplings.

Flywheel Design Calculator

Calculate flywheel diameter, mass, moment of inertia, torque, and energy storage. Step-by-step formulas included for safe and efficient flywheel design.

Stress and Strain Calculator

Calculate tensile, compressive, shear, and axial stress and strain. Step-by-step formulas included for mechanical, structural, and material analysis.

Poisson Ratio Calculator

Calculate Poisson’s ratio, lateral, and longitudinal strain. Step-by-step formulas included for rods, beams, and mechanical materials under axial load.

Hooke Law Calculator

Calculate stress, strain, or Young’s modulus using Hooke’s Law. Step-by-step formulas included for rods, beams, shafts, and elastic materials under axial load.

Modulus of Elasticity Calculator

Calculate Young’s modulus, stress, strain, or deformation. Step-by-step formulas included for rods, beams, shafts, and elastic materials under axial load.

Modulus of Rigidity Calculator

Calculate shear modulus, shear stress, strain, or deformation. Step-by-step formulas included for rods, shafts, beams, and elastic materials under torsion.

Yield Strength Calculator

Calculate yield strength, factor of safety, and allowable stress. Step-by-step formulas included for metals, alloys, rods, shafts, and structural members.

Fatigue Life Calculator

Calculate fatigue life, cycles to failure, and endurance limit. Step-by-step formulas for shafts, beams, and mechanical components under cyclic loading.

Fracture Toughness Calculator

Calculate fracture toughness (K_IC), critical stress, and crack propagation limits. Step-by-step formulas for metals, alloys, and structural components.

Creep Rate Calculator

Calculate creep rate, strain, and deformation over time. Step-by-step formulas for metals, alloys, and structural components under constant load and temperature.

Hardness Conversion Calculator

Convert material hardness values between Rockwell, Brinell, Vickers, and Shore scales. Step-by-step formulas for metals, alloys, and industrial materials.

First Law of Thermodynamics Calculator

Calculate internal energy, heat transfer, and work done using the first law of thermodynamics. Step-by-step solutions for closed and open systems.

Second Law of Thermodynamics Calculator

Calculate entropy change, thermal efficiency, and reversible/irreversible process parameters. Step-by-step solutions for engines, refrigerators, and turbines.

Carnot Cycle Efficiency Calculator

Calculate maximum thermal efficiency of a Carnot engine using hot and cold reservoir temperatures. Step-by-step solutions for ideal thermodynamic cycles.

Rankine Cycle Efficiency Calculator

Calculate thermal efficiency of Rankine cycle using boiler, condenser, and turbine parameters. Step-by-step solutions for steam power plants and turbines.

Otto Cycle Efficiency Calculator

Calculate the thermal efficiency of an Otto cycle engine using compression ratio and specific heat ratio. Step-by-step solutions for ideal spark-ignition engines.

Diesel Cycle Efficiency Calculator

Calculate the thermal efficiency of an ideal Diesel cycle using compression ratio, cutoff ratio, and specific heat ratio. Step-by-step solutions for CI engines.

Brayton Cycle Efficiency Calculator

Calculate the thermal efficiency of an ideal Brayton cycle using the pressure ratio and specific heat ratio. Step-by-step solutions for gas turbines and jet engines.

Refrigeration Cycle COP Calculator

Calculate the COP of refrigeration and air conditioning cycles using evaporator and condenser temperatures. Step-by-step solutions for ideal vapor-compression cycles.

Heat Exchanger Effectiveness Calculator

Calculate the effectiveness of heat exchangers using NTU, heat capacity rates, and temperature differences. Step-by-step solutions for shell-and-tube and plate exchangers.